Example #1
0
static void egl_scanout_flush(DisplayChangeListener *dcl,
                              uint32_t x, uint32_t y,
                              uint32_t w, uint32_t h)
{
    egl_dpy *edpy = container_of(dcl, egl_dpy, dcl);

    if (!edpy->guest_fb.texture || !edpy->ds) {
        return;
    }
    assert(surface_width(edpy->ds)  == edpy->guest_fb.width);
    assert(surface_height(edpy->ds) == edpy->guest_fb.height);
    assert(surface_format(edpy->ds) == PIXMAN_x8r8g8b8);

    if (edpy->cursor_fb.texture) {
        /* have cursor -> render using textures */
        egl_texture_blit(edpy->gls, &edpy->blit_fb, &edpy->guest_fb,
                         !edpy->y_0_top);
        egl_texture_blend(edpy->gls, &edpy->blit_fb, &edpy->cursor_fb,
                          !edpy->y_0_top, edpy->pos_x, edpy->pos_y);
    } else {
        /* no cursor -> use simple framebuffer blit */
        egl_fb_blit(&edpy->blit_fb, &edpy->guest_fb, edpy->y_0_top);
    }

    egl_fb_read(surface_data(edpy->ds), &edpy->blit_fb);
    dpy_gfx_update(edpy->dcl.con, x, y, w, h);
}
Example #2
0
File: sdl2-2d.c Project: 8tab/qemu
void sdl2_2d_switch(DisplayChangeListener *dcl,
                    DisplaySurface *new_surface)
{
    struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
    DisplaySurface *old_surface = scon->surface;
    int format = 0;

    assert(!scon->opengl);

    scon->surface = new_surface;

    if (scon->texture) {
        SDL_DestroyTexture(scon->texture);
        scon->texture = NULL;
    }

    if (!new_surface) {
        sdl2_window_destroy(scon);
        return;
    }

    if (!scon->real_window) {
        sdl2_window_create(scon);
    } else if (old_surface &&
               ((surface_width(old_surface)  != surface_width(new_surface)) ||
                (surface_height(old_surface) != surface_height(new_surface)))) {
        sdl2_window_resize(scon);
    }

    SDL_RenderSetLogicalSize(scon->real_renderer,
                             surface_width(new_surface),
                             surface_height(new_surface));

    switch (surface_format(scon->surface)) {
    case PIXMAN_x1r5g5b5:
        format = SDL_PIXELFORMAT_ARGB1555;
        break;
    case PIXMAN_r5g6b5:
        format = SDL_PIXELFORMAT_RGB565;
        break;
    case PIXMAN_x8r8g8b8:
        format = SDL_PIXELFORMAT_ARGB8888;
        break;
    case PIXMAN_r8g8b8x8:
        format = SDL_PIXELFORMAT_RGBA8888;
        break;
    case PIXMAN_b8g8r8x8:
        format = SDL_PIXELFORMAT_BGRX8888;
        break;
    default:
        g_assert_not_reached();
    }
    scon->texture = SDL_CreateTexture(scon->real_renderer, format,
                                      SDL_TEXTUREACCESS_STREAMING,
                                      surface_width(new_surface),
                                      surface_height(new_surface));
    sdl2_2d_redraw(scon);
}